The Southern Black Widow Spider is probably the most feared of all spiders. It has a reputation to try and bite anyone who comes near it, in an attempt to poison and kill them. This is false. Although the venom of the Southern Black Widow Spider is venomous to people, they attempt to escape instead of biting a person. Normally, the Southern Black Widow Spider will curl up into a ball, and drop to the ground, if it has nowhere to run. The only time that a Black Widow Spider will definitely try to bite someone is if she is guarding her eggsac.